netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready ================================================================================ UBSAN: Undefined behaviour in net/netfilter/ipset/ip_set_hash_gen.h:125:6 shift exponent 32 is too large for 32-bit type 'unsigned int' CPU: 0 PID: 9456 Comm: syz-executor.3 Not tainted 4.19.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline] hash_ipmark_create.cold+0x19/0x27 net/netfilter/ipset/ip_set_hash_gen.h:1290 ip_set_create+0x70e/0x1380 net/netfilter/ipset/ip_set_core.c:940 nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455 nfnetlink_rcv+0x1b2/0x41b net/netfilter/nfnetlink.c:565 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc7/0x130 net/socket.c:632 sock_no_sendpage+0xf5/0x140 net/core/sock.c:2668 kernel_sendpage net/socket.c:3378 [inline] sock_sendpage+0xdf/0x140 net/socket.c:847 pipe_to_sendpage+0x268/0x330 fs/splice.c:452 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x3af/0x820 fs/splice.c:627 splice_from_pipe fs/splice.c:662 [inline] generic_splice_sendpage+0xd4/0x140 fs/splice.c:833 do_splice_from fs/splice.c:852 [inline] do_splice fs/splice.c:1154 [inline] __do_sys_splice fs/splice.c:1428 [inline] __se_sys_splice+0xf31/0x15f0 fs/splice.c:1408 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45dd99 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready RSP: 002b:00007f4da6adbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000033ec0 RCX: 000000000045dd99 RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 000000000118c020 R08: 0000000000007fff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4 R13: 00007fff2b7700af R14: 00007f4da6adc9c0 R15: 000000000118bfd4 ================================================================================ SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9466 comm=syz-executor.4 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPVS: ftp: loaded support on port[0] = 21 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5123 sclass=netlink_route_socket pid=9422 comm=syz-executor.5 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. kauditd_printk_skb: 5 callbacks suppressed audit: type=1400 audit(1601536110.241:38): avc: denied { getattr } for pid=9549 comm="syz-executor.5" path="socket:[34950]" dev="sockfs" ino=34950 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 raw_sendmsg: syz-executor.1 forgot to set AF_INET. Fix it! IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9569 comm=syz-executor.4 IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9603 comm=syz-executor.4 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9653 comm=syz-executor.4 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9725 comm=syz-executor.4 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): veth5: link is not ready nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9759 comm=syz-executor.4 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPVS: ftp: loaded support on port[0] = 21 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9844 comm=syz-executor.4 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9901 comm=syz-executor.4 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9920 comm=syz-executor.4 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPVS: ftp: loaded support on port[0] = 21 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pid=9992 comm=syz-executor.4 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready ------------[ cut here ]------------ HSR: VLAN not yet supported WARNING: CPU: 1 PID: 10000 at net/hsr/hsr_forward.c:336 hsr_fill_frame_info net/hsr/hsr_forward.c:336 [inline] WARNING: CPU: 1 PID: 10000 at net/hsr/hsr_forward.c:336 hsr_forward_skb+0x182d/0x1cc4 net/hsr/hsr_forward.c:370